25326920

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{2161}}^1$

素因数の和:2465

約数の個数: 32

約数和(自身を含む): 57206520

約数和(自身を除く): 31879600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2161, 2344, 2930, 4322, 5860, 8644, 10805, 11720, 17288, 21610, 43220, 86440, 633173, 1266346, 2532692, 3165865, 5065384, 6331730, 12663460, 25326920]

約数ペア:

[(1, 25326920), (2, 12663460), (4, 6331730), (5, 5065384), (8, 3165865), (10, 2532692), (20, 1266346), (40, 633173), (293, 86440), (586, 43220), (1172, 21610), (1465, 17288), (2161, 11720), (2344, 10805), (2930, 8644), (4322, 5860)]